 Since World War II, growth has averaged 5.2 percent per year, and real wages and salaries have increased by 2 percent per year, better than the US in 1865-1914.
<fluency>  Since World War II, growth has averaged 5.2 percent per year, and real wages and salaries have increased by 2 percent per year, better than the US in 1865-1914.
 Since World War II, growth has averaged 5.2 percent per year, and real wages and salaries have increased by 2 percent per year, better than the US in 1865–1914.