Table 2 Annual data on precipitation, Net Primary Production (NPP; see Box 1 below) and the observed density of arthropods (insects, spiders, etc.) and rodents from 1989-2013 in the Larrea desert shrub community at Five Points. Year Precipitation/mm NPP/g m y- Arthropods/number of individuals hectare" Rodents/number of individuals hectare 1989 NA NA NA 1990 NA NA 1991 NA NA NA 1992 268 122 102 NA NA 1193 439 1993 NA NA 986 376 1994 NA NA 1061 195 1995 NA NA 772 595 1996 NA NA 756 118 1997 NA NA 1811 551 1998 NA NA 795 305 1999 199.9 42.86 747 361 2000 254.1 49.66 323 478 2001 245.8 67.21 2416 148 2002 226.1 83.84 1451 279 2003 140.6 27.51 2158 695 2004 322.6 84.13 1650 255 2005 283.7 72.95 NA 476 2006 345.8 104.46 NA 301 2007 253.1 153.85 NA 997 2008 272.9 138.84 NA 404 2009 245 42.14 2010 200.9 72.70 2011 152.9 34.56 2012 133.5 NA 2013 274.1 NA Show less^ NA 654 NA 3 3 3 3 3 202 239 335 174