{"values":["The 1960s","The 1960s","The 1960s","The 1960s","The 1960s","The 1960s","The 1960s","The 1960s","The 1960s","The 1960s","Early 1970s","Early 1970s","Early 1970s","Early 1970s","Late 1970s","Late 1970s","Late 1970s","Late 1970s","Late 1970s","Late 1970s","Early 1980s","Early 1980s","Early 1980s","Early 1980s","Mid-1980s/ early 1990s","Mid-1980s/ early 1990s","Mid-1980s/ early 1990s","Mid-1980s/ early 1990s","Mid-1980s/ early 1990s","Mid-1980s/ early 1990s","Mid-1980s/ early 1990s","Mid-1980s/ early 1990s","Early/mid 1990-s","Early/mid 1990-s","Early/mid 1990-s","Early/mid 1990-s","Early/mid 1990-s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s","Late 1990s/2000s and 2010s"],"years":[1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1973,1974,1975,1976,1977,1978,1979,1980,1981,1982,1983,1984,1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019],"entities":[13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13]}