Year % 1976 48.32502853544167 1977 430.64357255107404 1978 400.2332820200456 1979 52.340273986232425 1980 38.51283147787654 1981 53.472986365730684 1982 37.32933601105214 1983 45.59147796885062 1984 46.00722086803995 1985 45.29388352800452 1986 59.56488829803101 1987 71.15938382748247 1988 64.51871346087157 1989 60.0125990692843 1990 78.75022076992084 1991 43.98238669719982 1992 38.711225864744264 1993 42.10525246031632 1994 49.16700701818867 1995 42.78369484344431 1996 46.054420028548364 1997 88.25494086204435 1998 71.00853670929945 1999 65.34872410859788 2000 97.62669861341047 2001 78.37416695457402 2002 94.63774799563103 2003 79.79613093897314 2004 92.2938006023138 2005 89.06515736916593 2006 100.69620156747519 2007 127.10982054520143 2008 178.84664994808944 2009 128.12088401429008 2010 118.8394168631361 2011 126.00990612363307 2012 86.86131032054118 2013 107.29375762353604 2014 107.84852548817904 2015 221.90843473588578 2016 138.18651935505977 2017 112.10628357942544 2018 126.86719484717413 2019 109.72273050333953 2020 149.00993506188837 2021 174.79847278216855 2022 172.27923204166004