Standardize yearly count column names

[jmelot]

Closes #348

[github-actions[bot]]

No need for rebasing :+1: behind_count is 0 ahead_count is 2

[github-actions[bot]]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
595	424	71%	0%	🟢

New Files

No new covered files...

Modified Files

File	Coverage	Status
web/scripts/retrieve_data.py	66%	🟢
TOTAL	66%	🟢

updated for commit: c56b2d9 by action🐍

[github-actions[bot]]

JavaScript Coverage

Summary

Lines	Statements	Branches	Functions
	67.72% (405/598)	55.18% (213/386)	68.27% (127/186)

Modified Files • (67%)

File	% Stmts	% Branch	% Funcs	% Lines	Uncovered Line #s
All files	67.72	55.18	68.27	67.49
static_data	67.85	55.17	77.27	65.38
data.js	100	100	100	100