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Starting in the 1950s and up to 2019, there was a sum total of roughly 2,000 operating satellites in orbit.

Europe is a sum total of different countries with different-sized budgets and diverse domestic politics and priorities.

The sum total of these ideas is our culture, which “makes our individual lives rich and fulfilling,” he said.

In other words, the sum total of that company’s annual contracts adds up to the equivalent of the entire U.S. budget for diplomacy.

Until then, Dr. Kotchick said, the sum total of his nautical experience had been riding ferries.