The population grew at the rate of 1.3 per cent over the inter-census period 1981-1991.
Personal spending, which grew almost 4 percent in the fourth quarter of 1999 over the same period a year earlier, has been steadily dropping since.
The annual number of alerts issued by the agency grew significantly over the period, the researchers said.
Citibank's share grew by just over 1 percent over the same period.
The total volume of incoming investment has grown more slowly over the same period, suggesting that companies are making better returns on capital, he said.
The population of the surrounding region grew from 1.7 to 2.9 million over the same period.
The company grew 10% per year over the same period.
Official budget numbers do show total federal revenue growing at an inflation-adjusted rate of 3.1 percent over the period, reasonably close to Abraham's 3.8.
And the number of reports of child abuse or neglect grew over the same period, to 57,224 from 53,540.
The population of children under age 5 grew by 6% (293,000) over the ten-year period between 2001 and 2011.