Year	base year varies by country
1990	21.3737192502697
1991	51.4043032052253
1992	59.6659994934379
1993	57.5412362252407
1994	59.180781521562
1995	61.0539262799835
1996	61.0219489829064
1997	60.7388601486823
1998	59.7030927427165
1999	58.6066105825432
2000	59.214529394292
2001	58.5656756966243
2002	76.4605374112749
2003	84.4856083466431
2004	99.9999998969317
2005	110.317511084538
2006	125.47629818382
2007	144.222363056105
2008	177.640364739783
2009	204.957277170641
2010	247.824346395484
2011	306.567321408416
2012	374.977453364052
2013	464.780047776689
2014	652.007262571679
2015	825.310738210731
2016	1164.67339673925
2017	1467.56277769074
2018	2084.4332574088
2019	3109.88226850322
2020	4356.4191087013
2021	6701.93475654618
2022	11357.8519058325
2023	26559.1858237566