His time at SLU has witnessed improvements in several areas.

The postwar period also witnessed significant improvements in housing conditions.

After only two years, as of late 2008, the al-Malki government has witnessed improvements in the security situation in many parts of the country.

Mitterrand's first term in office also witnessed significant improvements in social welfare benefits.

Hazara people are historically the most restrained ethnic group and have witnessed slight improvements in the circumstances even with the setup of modern Afghanistan.

The last two decades have witnessed vast improvements in the capabilities of computers.

Both sides agree that the last decade has witnessed great improvements in community mental health programs.

Despite inconsistent results, fans threw their support behind Lee after witnessing consistent improvements in the Vale's performances.

Water quality is essential to our environment and I am pleased to see that through European action we have witnessed improvements.

Since then the hospital has witnessed major improvements and there have not been any documented cases of neglect since February 2011.