Reactions by Year

Exploratory data analysis. VAERS data. Count of Reactions by Year.
All years, from 1990 til early 2020.

—

use vaers_2019;
go

select year (s_date) year 
, count(*)   cnt_reactions
from dbo.[vaersdata]
group by year (s_date)
order by 1;
go

—

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Analysis:

The reaction count has been been on a clear overall upward trend.
1991: 9,992
2019: 53,846 (over 5 times that of 1991)

Aggregate statistics are done in a spreadsheet.