Then there are occupations that I classed as "related to politics": lobbyists and several different types of journalists.
For the journalists, it seems to be a pretty steady downward trend since the 1970s. Lobbyists are rated much lower, and there is no change over the decade for which the question has been asked.
Then some business occupations:
Then justice and the military:
That's a lot of data, but there's more, so I will save the rest of it for my next post.