pre_text: the goldman sachs group , inc . and subsidiaries management 2019s discussion and analysis operating expenses our operating expenses are primarily influenced by compensation , headcount and levels of business activity . compensation and benefits includes salaries , discretionary compensation , amortization of equity awards and other items such as benefits . discretionary compensation is significantly impacted by , among other factors , the level of net revenues , overall financial performance , prevailing labor markets , business mix , the structure of our share- based compensation programs and the external environment . in addition , see 201cuse of estimates 201d for additional information about expenses that may arise from litigation and regulatory proceedings . the table below presents our operating expenses and total staff ( which includes employees , consultants and temporary staff ) . .
post_text: 1 . consists of changes in reserves related to our americas reinsurance business , including interest credited to policyholder account balances , and expenses related to property catastrophe reinsurance claims . in april 2013 , we completed the sale of a majority stake in our americas reinsurance business and no longer consolidate this business . 2 . includes provisions of $ 3.37 billion recorded during 2015 for the agreement in principle with the rmbs working group . see note 27 to the consolidated financial statements for further information about this agreement in principle . 2015 versus 2014 . operating expenses on the consolidated statements of earnings were $ 25.04 billion for 2015 , 13% ( 13 % ) higher than 2014 . compensation and benefits expenses on the consolidated statements of earnings were $ 12.68 billion for 2015 , essentially unchanged compared with 2014 . the ratio of compensation and benefits to net revenues for 2015 was 37.5% ( 37.5 % ) compared with 36.8% ( 36.8 % ) for 2014 . total staff increased 8% ( 8 % ) during 2015 , primarily due to activity levels in certain businesses and continued investment in regulatory compliance . non-compensation expenses on the consolidated statements of earnings were $ 12.36 billion for 2015 , 30% ( 30 % ) higher than 2014 , due to significantly higher net provisions for mortgage-related litigation and regulatory matters , which are included in other expenses . this increase was partially offset by lower depreciation and amortization expenses , primarily reflecting lower impairment charges related to consolidated investments , and a reduction in expenses related to the sale of metro in the fourth quarter of 2014 . net provisions for litigation and regulatory proceedings for 2015 were $ 4.01 billion compared with $ 754 million for 2014 ( both primarily comprised of net provisions for mortgage-related matters ) . 2015 included a $ 148 million charitable contribution to goldman sachs gives , our donor-advised fund . compensation was reduced to fund this charitable contribution to goldman sachs gives . the firm asks its participating managing directors to make recommendations regarding potential charitable recipients for this contribution . 2014 versus 2013 . operating expenses on the consolidated statements of earnings were $ 22.17 billion for 2014 , essentially unchanged compared with 2013 . compensation and benefits expenses on the consolidated statements of earnings were $ 12.69 billion for 2014 , essentially unchanged compared with 2013 . the ratio of compensation and benefits to net revenues for 2014 was 36.8% ( 36.8 % ) compared with 36.9% ( 36.9 % ) for 2013 . total staff increased 3% ( 3 % ) during 2014 . non-compensation expenses on the consolidated statements of earnings were $ 9.48 billion for 2014 , 4% ( 4 % ) lower than 2013 . the decrease compared with 2013 included a decrease in other expenses , due to lower net provisions for litigation and regulatory proceedings and lower operating expenses related to consolidated investments , as well as a decline in insurance reserves , reflecting the sale of our americas reinsurance business in 2013 . these decreases were partially offset by an increase in brokerage , clearing , exchange and distribution fees . net provisions for litigation and regulatory proceedings for 2014 were $ 754 million compared with $ 962 million for 2013 ( both primarily comprised of net provisions for mortgage-related matters ) . 2014 included a charitable contribution of $ 137 million to goldman sachs gives , our donor-advised fund . compensation was reduced to fund this charitable contribution to goldman sachs gives . the firm asks its participating managing directors to make recommendations regarding potential charitable recipients for this contribution . 58 goldman sachs 2015 form 10-k .
table: Year Ended December
table: <i>$ in millions</i> 2015 2014 2013
table: Compensation and benefits $12,678 $12,691 $12,613
table: Brokerage, clearing, exchange anddistribution fees 2,576 2,501 2,341
table: Market development 557 549 541
table: Communications and technology 806 779 776
table: Depreciation and amortization 991 1,337 1,322
table: Occupancy 772 827 839
table: Professional fees 963 902 930
table: Insurance reserves<sup>1</sup> — — 176
table: Other expenses<sup>2</sup> 5,699 2,585 2,931
table: Total non-compensation expenses 12,364 9,480 9,856
table: Total operating expenses $25,042 $22,171 $22,469
table: Total staff at period-end 36,800 34,000 32,900
question: Analyse this data from a financial earnings document. what portion of the total operating expense is related to compensation and benefits in 2015?