Table 2.

Total number of “Stress” intervals (in %) in manual and autonomous drive.

Manual
Subject	1	2	3	4	5	6	7	8	9	10	11	12	13	Mean
$\text{P} (\%)$	35.37	45.71	58.80	53.91	55.74	66.25	59.76	49.59	47.37	47.90	62.98	51.26	54.20	52.99
Autonomous
Subject	1	2	3	4	5	6	7	8	9	10	11	12	13	Mean
$\text{P} (\%)$	38.72	26.86	70.29	39.33	33.05	65.81	15.48	50.85	41.35	12.39	51.27	30.21	22.73	38.34