In the UK, according to a government survey,
https://www.gov.uk/government/upload...rveys-2014.pdf


QUOTE:
In 2014, 1.5 per cent of
car drivers in England
were observed using a hand-held mobile
phone whilst driving. This is similar to the 1.4 per cent of car drivers in
England observed using
a hand-held mobile phone in 2009 and is not a statistically significant
change.
UNQUOTE.








And on page 27 of the 2009 report is a graph showing a very similar figure
in 2003 (when UK legislation banning such phone use was introduced)

https://www.gov.uk/government/upload...hone-usage.pdf



Gareth.