Preliminary data for the fourth quarter show just 19 security-related deals.
And preliminary data for the years since 2001 show the decline continuing, according to Dr. Marc Miringoff, the institute's director.
Preliminary data for the entire year show that 24.6 million Americans traveled overseas by air, excluding trips to Mexico and Canada, for a 6.5percentt increase over 1998.
Preliminary data for 2009 suggests that this rate may also be falling in the state's biggest cities.
Preliminary data for the central England temperature series – the longest-running in the world – showed an average temperature of 7C (44.6F) this winter, beating a previous high of 6.8C (44.2F) set in 1868-69.
In the last seven years, Americans adopted almost 120,000 children from overseas, according to the State Department, which recently released preliminary data for 2007 showing a decline for the third year in a row.
Preliminary data for 2015 from the International Energy Agency IEAA) showed that carbon dioxide emissions from the energy sector have levelled off at 32.1bn tonnes even as the global economy grew over 3%.
The preliminary data for 2008 show a marked drop in confidence in every American institution since 2000 except military ones and education.
Preliminary data for the second quarter suggests that growth was quite weak, and that the sluggishness could deepen in the months ahead.
On Friday, despite the rising retail sales, preliminary data for one of the leading barometers of consumer confidence fell in August to its lowest levels since May 1980.
The preliminary data for 2005 also show that an increasing number of people are getting rich from their investments.
