_id	Operacion	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016
1	Concentradora / Concentrator Plant	1.05	0.97	0.97	0.92	0.87	0.85	0.89	0.90	0.87	0.81
2	Lixiviación Heap / Heap Leach	0.78	0.69	0.68	0.67	0.65	0.66	0.66	0.67	0.64	0.60
3	Lixiviación Dump y/o ROM / ROM and/or Dump Leach	0.47	0.29	0.43	0.43	0.43	0.49	0.41	0.43	0.40	0.39
4	Promedio Chile / Chile Average	0.87	0.74	0.76	0.75	0.70	0.72	0.71	0.72	0.69	0.65