It is not the number of projects or features or products you have worked on, it is the win rate that counts. That is why we love sports. The win is clear, the loss is clear, draw or tie is clear. Almost never do you walk out of a game not knowing the results of the game. Even about a player, you would know who performed well and who did not. There are all kinds of numbers statisticians will come up with.

The secret to knowing your win rate is to first quantify the goals. What % of those projects were 'successful' in regards to the goal of that project?

Do you know the goal of the project you are working on?