Frequencies have dropped the most for SUVs, from 4.9 claims per 1,000 insured vehicle years in 1998, to 2.4 in 2008, according to the report.
Analyses were run for 106 generations with tree samples every 100 generations by which point the average standard deviation of split frequencies had dropped below 0.1.
In contrast, depletion of the spleens from influenza specific CD4 T-cells was observed at that time point, within three days after infection CD4 frequencies have dropped by 60% (Fig. 6A).
Convergence between runs was assessed when log-likelihoods had plateaued, PRSF factors were ~1, and split frequencies had dropped < 0.01.
In that part of the 83rd Precinct, since 2006, when there were 84 robberies, the crimes have tapered off to about 39 through the middle of last month, while the frequency of assaults has dropped only slightly, to 42 from 57 in the same period, police figures showed.
The frequency of disasters has dropped over the last 15 years, but increased sharply during the 40 years before that.
As the frequency of epidural use has dropped over the years, nurses' and juniors doctors' exposure to these advanced techniques has also diminished.
As the frequency of Israeli incursions has increased, the Palestinian resistance has dropped toward nothing in many areas.
