pre_text: (a) Description of segments and principal activities (continued)  The Group also conducts operations in the United States of America (“United States”), Europe and other regions, and holds investments (including investments in associates, investments in joint ventures, FVPL and FVOCI) in various territories. The geographical information on the total assets is as follows: As at 31 December 2019, the total non-current assets other than financial instruments and deferred tax assets located in Mainland China and other regions amounted to RMB311,386 million (31 December 2018: RMB282,774 million) and RMB136,338 million (31 December 2018: RMB65,057 million), respectively. All the revenues derived from any single external customer were less than 10% of the Group’s total revenues during the years ended 31 December 2019 and 2018.
table: As at 31 December
table: 2019 2018
table: RMB’Million RMB’Million
table: Operating assets
table: – Mainland China 345,721 270,373
table: – Others 168,714 83,962
table: Investments
table: – Mainland China and Hong Kong 289,491 254,992
table: – North America 76,488 44,835
table: – Europe 29,707 37,451
table: – Asia excluding Mainland China and Hong Kong 40,139 30,148
table: – Others 3,726 1,760
table: 953,986 723,521
question: Analyse this data from a financial earnings document. How much is the difference between 2018 year end and 2019 year end europe investments?