Table 1.

Descriptive statistics: expenditures

Variable	Number of observations	Mean	Std. dev.	Min	Max
Per capita expenditures by year: ${\overline{Y}}_t=\frac{1}{N_t}\sum _{i\in t}{Y}_i$	12	7,340.71	947.5119	5,786.21	8,595.46
Per capita expenditures by group: ${\overline{Y}}_g=\frac{1}{N_g}\sum _{i\in g}{Y}_i$	995,158	10,453.61	17,145.92	0	1,006,657