Top 15 all-time software: 100% Nintendo | Top 15 all-time hardware: 53,33% Nintendo. 26,66% Sony, Others 6,66% each

[Farsala]

Not only that but Nintendo has also made video game consoles since 1977. Sony 1994, and MS 2001. Video games been made since like 1947.
So time spent making games out of its entire history:

Nintendo 54%
Sony 29%
MS 18%