Year current LCU 1966 5512884000 1967 5228128000 1968 5474061000 1969 6499147000 1970 5896584000 1971 6460178000 1972 7726666000 1973 9808798000 1974 10735752000 1975 10266493000 1976 11578987000 1977 13937824000 1978 15675276000 1979 14709328000 1980 16333272000 1981 19083640000 1982 23419885000 1983 22357286000 1984 28484717000 1985 28014698000 1986 27631458000 1987 25832073000 1988 24595119000 1989 28770634000 1990 28125311000 1991 26981211000 1992 25768565000 1993 24995522000 1994 25834874000 1995 29559463000 1996 30385197000 1997 30224861000 1998 25434719000 1999 24097804000 2000 28553188000 2001 32086985000 2002 25118569000 2003 23142985000 2004 24435262000 2005 18169726000 2006 19601526000 2007 20421270000 2008 15452846000 2009 14355588000 2010 21765670000 2011 24233194000 2012 31357124000 2013 25126857000 2014 27388865000 2015 19499744000 2016 20259430000 2017 28613750000 2018 23131854000 2019 29263364000 2020 32072760000 2021 27775969000 2022 33212066000 2023 28815643000