year	B411	fbar  R
1985	282	0.313	32.12
1986	298	0.360	66.93
1987	323	0.424	78.29
1988	381	0.416	51.05
1989	373	0.382	30.41
1990	358	0.450	20.64
1991	306	0.524	26.38
1992	249	0.477	14.17
1993	211	0.515	19.66
1994	170	0.532	17.10
1995	144	0.530	23.45
1996	131	0.471	24.79
1997	140	0.418	17.47
1998	140	0.414	8.79
1999	131	0.365	29.80
2000	148	0.352	31.15
2001	170	0.298	56.92
2002	234	0.298	65.71
2003	303	0.272	67.06
2004	338	0.258	24.79
2005	306	0.265	71.57
2006	335	0.277	40.55
2007	308	0.248	16.98
2008	274	0.275	25.41
2009	246	0.259	37.13
2010	238	0.247	36.89
2011	236	0.249	43.60
2012	237	0.262	36.52
2013	240	NA	NA