An Earth Cache for every Earth Orbit Challenge 🌏 Mystery Cache

The "JASPER" Challenge.

This is a challenge cache and is located at the posted coords. To claim a find, you will need to both sign the log book AND meet the challenge criteria as set out below. 

Background

The first Earth Cache was created in 2004. It was a hit. There are now more than 43,000 Earth Caches available to be found. I only want you to find 20 odd.

The Challenge
You must have found one earthcache placed in every year since Earth Caches began (2004).

You can use the project-gc checker below to check your status.

This challenge complies with the 2016 Challenge Cache Guidelines, which can be found here