Time	Critical Temperature
(Years)	(Kelvin)
1911	4.1
1911	4.2
1932	12
1941	16
1953	17
1953	17.3
1954	18
1960	21
1973	23
1986	30
1986	36
1987	77
1987	78.5
1987	92
1987	93
1988	110
1988	110
1988	125
1991	91.4
1991	95
1991	96
1991	1
1991	105
1991	115
1991	124.5
1992	90
1992	91
1992	92.4
1992	93.5
1992	98.7
1992	99.2
1992	99.5
1992	100.5
1992	101.2
1992	105
1992	106.5
1992	107
1992	107.5
1992	108.6
1992	109.3
1992	123
1993	112
1993	123
1993	125
1993	128
1993	133
1994	114
1994	115
1994	118
1995	120
1995	139