What are UC Berkeley's landfill metrics in recent years?

​2007-2008: 5,995 tons

2008-2009: 6,838 tons

2009-2010: 4,400 tons

2010-2011: 5,001 tons

2011-2012: 4,780 tons

2012-2013: 4,622 tons

2014-2015: 4,462 tons

2015-2016: 4,096 tons

2016-2017: 4,062 tons

2017-2018: 3,718 tons