Year Thousands of Persons 1972-01-01 1039.00 1973-01-01 1041.50 1974-01-01 1048.25 1975-01-01 1056.75 1976-01-01 1081.75 1977-01-01 1099.25 1978-01-01 1106.00 1979-01-01 1101.00 1980-01-01 1099.75 1981-01-01 1108.25 1982-01-01 1104.75 1983-01-01 1092.25 1984-01-01 1099.50 1985-01-01 1118.25 1986-01-01 1138.75 1987-01-01 1152.75 1988-01-01 1138.75 1989-01-01 1102.00 1990-01-01 1077.75 1991-01-01 1059.00 1992-01-01 1056.75 1993-01-01 1053.00 1994-01-01 1071.00 1995-01-01 1095.00 1996-01-01 1126.25 1997-01-01 1157.00 1998-01-01 1182.75 1999-01-01 1183.50 2000-01-01 1189.50 2001-01-01 1195.25 2002-01-01 1193.25 2003-01-01 1180.25 2004-01-01 1184.75 2005-01-01 1197.00 2006-01-01 1235.25 2007-01-01 1274.75 2008-01-01 1315.75 2009-01-01 1301.75 2010-01-01 1309.25 2011-01-01 1329.00