The total of events has been roughly stable since 2010; the peak was 28 in 2008.
The town's population has been stable since the 1950s.
The abortion rate has remained stable since the introduction of the pill.
This was not considered due to the value of the dollar having been stable since the seventeenth century.
The percentage of women in the House has remained more or less stable since 1993.
The population, which has been stable since 1960, was 13,082 at the 2010 census.
The population of Kets has been relatively stable since 1923.
He adds that the figure has remained stable since the early 1970's.
Entering class sizes have been stable since 1986, hovering around 16,000.
The audience has remained stable since at around 35%.