year	B411	fbar  R
1985	290	0.260	32.12
1986	305	0.274	66.93
1987	330	0.362	78.29
1988	392	0.358	51.05
1989	386	0.324	30.41
1990	368	0.379	20.64
1991	312	0.423	26.38
1992	255	0.421	14.17
1993	217	0.424	19.66
1994	176	0.433	17.10
1995	151	0.448	23.45
1996	140	0.390	24.79
1997	149	0.369	17.47
1998	147	0.322	8.79
1999	135	0.299	29.80
2000	151	0.297	31.15
2001	173	0.250	56.92
2002	238	0.265	65.71
2003	307	0.240	67.06
2004	346	0.244	24.79
2005	316	0.256	71.57
2006	347	0.266	40.55
2007	318	0.251	16.98
2008	287	0.293	25.41
2009	263	0.273	37.13
2010	265	0.254	36.89
2011	267	0.243	43.60
2012	274	0.238	36.52
2013	269	NA	NA