Table 2: 15 × 15 degree of substitution matrices between criteria.

x 1x 2x 3x 4x 5x 6x 7x 8x 9x 10x 11x 12x 13x 14x 15

x 1122220021022220
x 2210022002022220
x 3201220022002220
x 4202120022100202
x 5222010022002220
x 6220021022022220
x 7020000100020002
x 8202020012022220
x 9200000021022220
x 10000200000100002
x 11110000022012212
x 12222222222221222
x 13220000021022120
x 14210020022022010
x 15000200000102001