Complex sentence: The Irish economy expanded at an average rate of 9.4% between 1995 and 2000 and continued to grow at an average rate of 5.9% during the following decade until 2008, when it fell into recession.
Split into simpler sentences: The Irish economy expanded at an average rate of 9.4% between 1995 and 2000. It continued to grow at an average rate of 5.9% during the following decade until 2008, when it fell into recession.