series year rank average audience share
series
year
rank
average audience share
number
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
number
first second first_number
number timespan rank unitnum(text)
1 1992 5th 5.44m (incl. itv hd)
how many years did heartbeat series run in total ?
WRB JJ NNS VBD-AUX NN NN VBN IN NN .
18
select max ( c2_maximum_year ) - min ( c2_minimum_year ) from w