_id	Produccion Chilena de Cobre de Min	Unidad	1960.0	1961.0	1962.0	1963.0	1964.0	1965.0	1966.0	1967.0	1968.0	1969.0	1970.0	1971.0	1972.0	1973.0	1974.0	1975.0	1976.0	1977.0	1978.0	1979.0	1980.0	1981.0	1982.0	1983.0	1984.0	1985.0	1986.0	1987.0	1988.0	1989.0	1990.0	1991.0	1992.0	1993.0	1994.0	1995.0	1996.0	1997.0	1998.0	1999.0	2000.0	2001.0	2002.0	2003.0	2004.0	2005.0	2006.0	2007.0	2008.0	2009.0	2010.0	2011.0	2012.0	2013.0	2014.0	2015.0	2016.0	2017.0	2018.0	2019.0