pre_text: NOTE 11—FINANCING ARRANGEMENTS Long-term debt consists of the following (in thousands): Maturities of long-term debt for each of the five years in the period ending September 30, 2024, are as follows: 2020 — $10.7 million; 2021 — $35.7 million; 2022 — $35.7 million; 2023 — $35.7 million; 2024 — $35.7 million. In March 2013, we entered into a note purchase and private shelf agreement pursuant to which we issued $100.0 million of senior unsecured notes, bearing interest at a rate of 3.35% and maturing on March 12, 2025. Pursuant to the agreement, on July 17, 2015, we issued an additional $25.0 million of senior unsecured notes, bearing interest at a rate of 3.70% and maturing on March 12, 2025. Interest payments on the notes issued in 2013 and 2015 are due semi-annually and principal payments are due from 2021 through 2025. On February 2, 2016 we revised the note purchase agreement and we issued an additional $75.0 million of senior unsecured notes bearing interest at 3.93% and maturing on March 12, 2026. Interest payments on these notes are due semi-annually and principal payments are due from 2020 through 2026. The agreement pertaining to the aforementioned notes also contained a provision that the coupon rate would increase by a further 0.50% should the company’s leverage ratio exceed a certain level.
table: September 30, 2019 2018
table: Series A senior unsecured notes payable to a group of insurance companies, interest fixed at 3.35% $  50,000 $  50,000
table: Series B senior unsecured notes payable to a group of insurance companies, interest fixed at 3.35% 50,000 50,000
table: Series C senior unsecured notes payable to a group of insurance companies, interest fixed at 3.70% 25,000 25,000
table: Series D senior unsecured notes payable to a group of insurance companies, interest fixed at 3.93% 75,000 75,000
table: 200,000 200,000
table: Less unamortized debt issuance costs (175) (207)
table: Less current portion (10,714) —
table: $189,111 $199,793
question: Analyse this data from a financial earnings document. What is the change in the total amount of long-term debt in 2019 from 2018?