Harrassment offences via Facebook/Twitter

We would like to request under the Freedom of Information Act the following information from your force:

The number of recorded crimes of harassment and threats (see definition below) where the following is mentioned in the MO Notes:

a.) Facebook

b.) Twitter

c.) Either Facebook or Twitter (if technically possible)

Incidents of harassment and threats include: breach of restraining order; causing intentional harassment/alarm/distress; putting people in fear of violence; racially/religiously aggravated harassment with fear of violence; racially/religiously aggravated harassment without violence; threats to damage property; threats to kill.

We need this data over two timeframes:

a.) 1 January 2010 to 31 December 2010

b.) 1 January 2011 to 31 December 2011