Your link says that in 2005 international trade as a percent of GDP was 23% and in 2014 it's 24%, so about the same. Gross World Product was about $43t in 2005

Your link says that in 2005 international trade as a percent of GDP was 23% and in 2014 it's 24%, so about the same. Gross World Product was about $43t in 2005 and $78t in 2014, so that would suggest international trade has increased from $10t to $18t in 10 years, nearly doubling, inflation adjusted. You can say that the non-international part of GDP is overestimated, lets say by 40% more in 2014 than in 2005. That would mean that real GWP in 2014 was just 56t, and therefore the 18t international trade would actually be 32% -- a 33% increase in 10 years.