Year	East (124)	North (14)	Southeast (82)	West (319)
1992	2.6	2.2	8.1	2.93
1993	2.56	2.14	9	2.85
1994	2.49	1.81	7.32	2.58
1995	2.34	1.85	6.1	2.61
1996	2.62	1.99	5.16	2.86
1997	2.49	2.06	4.9	2.77
1998	2.12	1.86	5.07	2.59
1999	2.18	2.05	4.33	2.59
2000	2.17	1.88	5.18	2.41
2001	2.26	2.04	5.85	2.18
2002	2.2	1.91	5.6	2.07
2003	2.19	2.1	4.85	1.96
2004	1.99	1.86	4.7	1.69
2005	1.9	2.06	4.56	1.61
2006	1.89	1.95	4.6	1.55
2007	1.77	1.69	4.8	1.63
2008	1.78	1.8	4.22	1.43
2009	1.78	1.64	4.31	1.51
2010	1.75	1.68	3.21	1.46
2011	1.72	1.87	3.14	1.47
2012	1.69	1.89	3.14	1.41