Year	base year varies by country
1990	43.6043756949897
1991	45.1532521925092
1992	38.188949815366
1993	37.1604773194893
1994	46.2745848367596
1995	49.8288589249538
1996	50.2380517016304
1997	43.6331677964375
1998	29.8599591469679
1999	41.5524101752243
2000	60.8999367531798
2001	53.6092841168717
2002	52.7607079740203
2003	53.0960665893231
2004	62.081388369853
2005	88.514083907425
2006	100
2007	103.037653859356
2008	123.48036450002
2009	97.7591193863809
2010	122.107527870652
2011	142.92088612601
2012	149.859383642668
2013	148.251881361829
2014	146.363385672317
2015	116.808592573502
2016	109.466679468023
2017	123.415343197791
2018	135.156874446607
2019	130.880930150275
2020	117.572242895367
2021	138.663093380258
2022	166.031575984503
2023	153.81101732631