Year	%
1997	7.185628742514969
1998	7.701215981470758
2000	8.622652248150258
2001	10.761789600967349
2002	12.835434852893625
2003	10.64257028112449
2004	12.420946116873255
2005	12.347218757794971
2006	12.793373216751041
2007	14.812286689419807
2008	15.103189493433396
2009	15.819337267362688
2010	15.881955395359306
2011	16.884580703336336
2012	18.23204419889503
2013	18.42920353982301
2014	18.869603916332895
2015	18.88641425389755
2016	19.24191750278707
2017	21.138952164009115
2018	21.451104100946374
2019	23.191345503718736
2020	24.3566591422122
2021	25.00567794685442
2022	25.005735260380828
2023	25.06288589069289