Yes, this table shows the percentage of a country's total tax income that came from beer tax. Let's take a look, shall we?
|Beer tax as % of total tax receipts in 1867|
|“Bericht über der Welt_Ausstellung zu Paris im Jahre 1867, volume 7”, 1868, page 113.|
|* for the year 1866|
Bavaria topping the table might surprise some. But think about it. The Reinhesitsgebot was as much about protecting tax income as it was public health.There appears to be a fairly direct correlation between the level of beer consumption and the percentage of tax that came from beer.
About the date of the figurs. It doesn't explicitly give a date in the original text. But it was published in 1868. And theree's a note saying the figures for Prussia were for 1866. I reckon 1867 is looking favourite.
The UK government was heavily reliant on beer tax all through the 19th century. At the period in question, through taxes on malt and hops rather than beer itself.