If you want to know the answers to those questions, buy this book! When I was at Politico's I got fed up with academic publishers publishing books priced outside the range of normal bookbuyers. When Rallings & Thrasher brought out their book, British Electoral Facts in hardback, it was priced at a massive £85! My company Biteback have now published a paperback edition priced at £19.99 (available HERE at £14.99).
Essentially, the 300 pages contain a treasure trove of historical political facts about every conceivable aspect of British electoral politics. As well as the expected election results, going back to 1832, it looks at party votes, turnouts, swings, size of electorate, changes inn electoral law, postal vote turnout, boundary reviews, demographics of election candidates, by-elections, European election data, regional differences, devolution, local government and referendums.
In short it is a book which is surely a must-buy for anyone interested in elections and electoral statistics. Let's put it this way. If you gave it to Davd Dimbleby, he'd probably keep it by his side during the election night programme.