In 2015 they accounted for a third of the 2.9bn requests for programmes.
On a wall-list of requests for programmes or activities, someone wrote "documentary nights" and "yoga/relaxation classes".
Meanwhile, New Year's Day proved iPlayer's most popular to date, with nearly 11 million requests for programmes - up from 8.1m in 2013.
The sums requested for the programme by President Barack Obama have routinely been adjusted downwards by Congress.
1 3 This led to requests for the programme to be delivered in other continents, countries and cultures, with translation when required.
In February the BBC iPlayer set a new record for on-demand viewing, with 68.7m requests for TV programmes, a year-on-year increase of 81% from February 2009, according to figures the BBC released today.
Some $1.25 million have been requested for education programmes.
"Separate to live listening, audiences have been hitting record numbers for programme requests with 13 million Radio 4 programmes requested in April alone.
That fate portends ominously not just for Tuvalu, but also for every other low-lying coastal area, from the Maldives to Manhattan.Australia has turned down Tuvalu's request for an emergency migration programme that would resettle the islanders.
But Tuesday's ruling by the US fifth circuit rejected the request for a stay, forcing the programme to remain mothballed while the administration continues the lengthy process of legal appeals.
"We are disappointed that our Chinooks will not be supporting the World Food Programme's request for help in distributing aid, but all decisions in relation to the relief effort are ultimately for the government of Nepal to take," the spokesman said.
