The industry has promised to do several things, including better manage chronic diseases, streamline claims processing, aggregate performance data and implement other efficiency measures.

CNN: Obama says immediate action needed on health care reform

"The aggregate performance of the 100 Best Corporate Citizen improved by slightly more than 5% this year over last, which is particularly remarkable when you consider that we are still operating in a recovering market, " Olin says.

FORBES: Magazine Article

Optimized for customers in oil and gas exploration and the defense industry, a single Tesla K10 accelerator board features two GK104 Kepler GPUs that deliver an aggregate performance of 4.58 teraflops of peak single-precision floating point and 320 GB per second memory bandwidth.

ENGADGET: NVIDIA outs a pair of Tesla GPUs to electrify your supercomputer

In aggregate, performance metrics are generally well-aligned with shareholder value.

FORBES: Think Your Annual Review was Tough? See How CEOs' Performance Is Evaluated

"While the broad picture emerging from the data is that Africa's economies have been expanding robustly and that poverty is coming down, the aggregate hides a great deal of diversity in performance, even among Africa's faster growers, " said Shanta Devarajan, the World Bank's chief economist for Africa.

BBC: World Bank: Africa's economic growth to outpace average

Mr. Gross's fund returned 4.16% for the year, its worst performance since 2006 and far behind the benchmark Barclays Capital Aggregate Bond Index's 7.84% gain, according to Morningstar.

WSJ: Bond King's Trade Pays Off

And the point is that for all the decent performance of the shares and property held by the Church's pension scheme, their aggregate value is several hundreds of millions of pounds less than would be needed if they were cashed in and converted into allegedly safer bonds.

BBC: Holy pension hole

The result means Lyon travel to the Bernabeu in three weeks with an aggregate lead but Madrid should be more than satisfied with the scoreline, particularly after such a stop-start performance.

BBC: Lyon 1-0 Real Madrid