See quotation.

1

1848.  I’ve been on it [the rock] as often as I’ve got fingers and toes.—W. T. Thompson, ‘Major Jones’s Sketches of Travel,’ p. 146 (Phila.).

2

1888.  This phrase is rarely met with; but, forty years after the above quotation, a woman at Whatcom on Puget Sound said to the compiler, “I could have rented that house in the past three months as often as there’s fingers and toes on me.”

3