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Table 2 Annual drug expenditures and budget savings from patent expiration during 2020–2024

From: Use of budget savings from patent expiration of cancer drugs to improve affordability and accessibility

Year Expected drug expenditures Budget savingsa
Korea (₩): million US ($): million Korea (₩): million US ($): million (% of
2019 expenditure)
2019 ₩229,094 $198    
2020 ₩220,464 $191 ₩8631 $7 4%
2021 ₩196,173 $170 ₩33,109 $29 14%
2022 ₩180,946 $157 ₩48,149 $42 21%
2023 ₩169,595 $147 ₩59,499 $51 26%
2024 ₩144,054 $125 ₩85,041 $74 37%
Total 2020–2024 ₩911,232 $788 ₩234,429 $203 20%
  1. The Korean won (₩) was converted to the United States Dollar ($) using a currency exchange rate of ₩1 = $0.000865052 as of 31 December 2019
  2. a Budget savings were calculated by subtracting the expected expenditure in a given year from the drug expenditure in 2019
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