Let $t$ denote time measured in years, with $t=0$ corresponding to the year 2006. Let $P$ be the world population at the beginning of this year. If the world population $p(t)$ were to obey the formula $$p(t) = Pe^{0.012t}$$ then the annual growth rate would be percent, and it would take years for the population to double.

Enter your answer with a total of about four digits.