[R] How to best divide table by table

[Serguei Kaniovski]

For example,

year X1958 X1973 X1981 X1986 X1995 X2004 X2007
1 QMT 12 41 45 54 62 232 255
2 Belgium 2 5 5 5 5 12 12
3 France 4 10 10 10 10 29 29

year X1958 X1973 X1981 X1986 X1995 X2004 X2007
1 QMT 12 41 45 54 62 232 255
2 Belgium 9054483 9741700 9859000 9859000 10137000 10418000 10497000
3 France 45800391 53294898 55419102 56898199 59418699 62177398 63209000

mat1/mat2 produces

year X1958 X1973 X1981 X1986 X1995 X2004 X2007
1 NA 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1.00e+00 1.00e+00
2 NA 2.21e-07 5.13e-07 5.07e-07 5.07e-07 4.93e-07 1.15e-06 1.14e-06
3 NA 8.73e-08 1.88e-07 1.80e-07 1.76e-07 1.68e-07 4.66e-07 4.59e-07

with NA in the first column. Serguei