For CSTs registered in each quarter, the time since any previous screening test was as follows:

YEAR Quarter Time Interval Since Previous Testing
< 12 mths 12-<18 mths 18-<24 mths 24-<30 mths 30-<36 mths 36-<48 mths >48 mths No prev. test
2013 1st 10.3% 9.1% 11.0% 34.1% 8.4% 7.1% 8.3% 11.7%
  2nd 10.1% 9.3% 11.0% 34.2% 8.6% 7.1% 8.5% 11.2%
  3rd 10.2% 9.3% 10.4% 35.7% 7.8% 6.7% 8.4% 11.5%
  4th^ 10.3% 9.7% 9.6% 36.8% 7.8% 6.8% 8.1% 10.9%
2014 1st 10.1% 9.3% 10.9% 34.8% 8.3% 6.9% 8.1% 11.6%
  2nd 10.2% 9.2% 11.1% 35.3% 8.1% 6.9% 7.9% 11.3%
  3rd 9.8% 9.3% 10.6% 36.9% 7.8% 6.9% 7.8% 10.9%
   4th 9.6% 9.2% 9.3% 38.7% 8.3% 6.8% 7.6%  10.5%
 2015  1st 9.5% 8.8% 10.5% 36.0%  8.8% 7.1% 8.0% 11.3%
   2nd 9.3% 8.8% 10.6% 36.2% 9.0% 7.4% 7.8% 10.9%
   3rd 9.4% 8.8% 9.7% 37.4% 8.6% 7.5% 7.9% 10.7%
   4th 9.2% 8.9%  8.9%  38.7%  8.9%  7.3%  7.6%  10.5% 
2016 1st 9.3% 8.4% 10.6%  33.5% 9.6% 7.7% 8.9% 12.0%
  2nd 9.0% 8.4% 10.1% 35.8% 8.8% 7.9% 8.7% 11.3%
  3rd 9.0% 8.5% 9.5% 37.2% 8.1% 7.9% 8.4% 11.4%
  4th 9.1% 8.6% 8.7% 38.7% 8.5% 7.3% 8.3% 10.8%
2017 1st 8.6% 8.2% 9.6% 36.1% 9.3% 7.7% 9.0% 11.5%
  2nd 8.8% 7.9% 9.5% 37.0% 9.2% 7.9% 8.8% 10.9%
  3rd 8.9% 8.1% 8.5% 37.4% 9.0% 8.0% 8.9% 11.2%
  4th≠ 9.5% 8.0% 7.9% 37.7% 9.5% 8.0% 8.8% 10.6%

^ From Quarter 4 2013 the number of CST (Cervical Screening Tests) includes Cytology tests, and both Cytology tests and HPV DNA tests completed as part of the Compass trial.
≠ Quarter 4 2017 is for the two month period 01.10.2017 to 30.11.2017 only and includes pre-renewal Cytology and Compass tests. There are 138 test results excluded from the total as the results were never received by the VCSR.