Euro dollar (3 months) & U.S. Treasury Bills - Regression

For last 20 years (quarterly data) U.S. Treasury bills on the x-axis and Euro dollar on the y-axis, the scatter plot and the regression summary output is as follows.

Regression Statistics
Multiple R	0.76724
R Square	0.58866
Adjusted R Square	0.58358
Standard Error	0.33201
Observations	83
ANOVA
	df	SS	MS	F	Sig. F
Regression	1	12.778	12.778	115.919	2.709E-17
Residual	81	8.929	0.110
Total	82	21.707
	Coefficients	Standard Error	t Stat	P-value	Lower 95%	Upper 95%
Intercept	-0.010	0.037	-0.259	0.796	-0.083	0.064
U.S. T-Bill	0.913	0.085	10.767	0.000	0.744	1.081