I Kissed a Girl debuted at #76 on Hot 100 on the week of May 24, 2008.
Waking Up in Vegas last charted on Hot 100 at #47 on the week of October 17, 2009.
That's 1 years 4 months and 23 days
California Gurls debuted at #2 on Hot 100 on the week of May 29, 2010.
The One That Got Away last charted on Hot 100 at #48 on the week of April 07, 2012. Wide Awake last charted on Hot 100 at #48 on the week of December 01, 2012.
That's 2 years, 7 months and 2 days
Roar debuted at #85 on Hot 100 on the week of August 24, 2013.
This Is How We Do last charted at #95 on Hot 100 on the week of December 19, 2014
That's 1 year, 3 months, 25 days