Year	constant 2021 international $
2013	4525.9817920257965
2014	4843.944266561283
2015	5166.762850955692
2016	5350.8490416237
2017	5457.391652034049
2018	5604.714773406119
2019	5685.2851401949965
2020	5671.20119179142
2021	5927.161957519709
2022	6278.70223206222
2023	6367.606026020102