Kendall tau rank correlations for all pairs of data series
pair	tau	p-value
tau( inter , inves )	0.353541303463741	6.87311742808561e-05
tau( inter , cons )	0.43626090331263	9.01508759643121e-07
tau( inter , uitv )	0.341353627840027	0.000119847304381970
tau( inves , cons )	0.54782116581777	6.63365362640889e-10
tau( inves , uitv )	0.72547382612238	2.22044604925031e-16
tau( cons , uitv )	0.472151710687597	1.00457210772120e-07