1959:very high shoulder,hbsl,htl,htal,hstl,hcc,hsc
1970:high shoulder,bsl,ltl,wasl,lcc,nc
1971:high shoulder,bsl,ltl,wasl,cif
1975:top
shoulder,bsl,lfl,ltl,wasl,cc,wc
1979:top shoulder,bsl,cc,sc
1981:top shoulder,hbsl,tl,hstl,fl,sc
1982:base neck,hbsl,htal(nearly no label)
1985:very high shoulder,bsl,tl,spc
1985:top shoulder,hbsl,tl,sc
1987:base neck,lbsl,wc
1988:base neck,lbsl,ltl
1990:base neck,bsl,tl
1991:base neck,lbsl,lwrl
1992:base neck,ltl
1994:within neck,lbsl,lwrl
1995:within neck,bsl,ltl,wl
1995:within neck,lbsl
1996:base neck,lbsl,lwrl