Appropriate EMS usage Appropriate no EMS usage Underuse Overuse KTAS (1, 2, 3) and ambulance KTAS (4, 5) and no ambulance KTAS (1, 2, 3) and no ambulance KTAS (4, 5) and ambulance 2,408,875 (13.16) 9,259,706 (50.6) 5,147,352 (28.13) 1,482,602 (8.10) Arrival time 00 80,374 (11.20) 381,268 (26.35) 189,027 (53.15) 66,700 (9.30) 01 68,186 (12.07) 286,967 (26.93) 152,173 (50.78) 57,808 (10.23) 02 59,473 (12.70) 231,271 (27.40) 128,258 (49.40) 49,127 (10.49) 03 53,299 (13.26) 194,297 (27.98) 112,476 (48.34) 41,878 (10.42) 04 50,033 (14.07) 166,685 (29.00) 103,089 (46.89) 35,686 (10.04) 05 51,173 (15.16) 153,390 (29.57) 99,840 (45.43) 33,203 (9.83) 06 59,713 (16.05) 165,505 (30.34) 112,889 (44.48) 33,967 (9.13) 07 75,215 (16.82) 198,421 (29.86) 133,503 (44.38) 39,959 (8.94) 08 96,110 (17.73) 239,457 (28.59) 154,965 (44.18) 51,478 (9.50) 09 122,525 (16.48) 334,872 (29.48) 219,206 (45.13) 67,009 (9.01) 10 139,688 (15.90) 395,380 (30.78) 270,499 (44.99) 73,203 (8.33) 11 140,992 (15.92) 396,309 (31.34) 277,505 (44.76) 70,549 (7.97) 12 133,956 (16.43) 361,569 (31.07) 253,287 (44.37) 66,239 (8.13) 13 128,867 (16.05) 372,004 (29.17) 234,244 (46.32) 67,917 (8.46) 14 127,844 (15.20) 397,808 (29.08) 244,551 (47.31) 70,684 (8.41) 15 126,603 (14.91) 405,753 (28.98) 246,103 (47.77) 70,849 (8.34) 16 123,608 (14.16) 424,905 (29.04) 253,483 (48.68) 70,825 (8.11) 17 119,946 (12.94) 475,518 (28.29) 262,252 (51.29) 69,363 (7.48) 18 119,786 (12.04) 536,107 (26.74) 266,164 (53.87) 73,192 (7.35) 19 120,495 (10.45) 652,310 (26.26) 302,800 (56.58) 77,368 (6.71) 20 112,768 (9.38) 700,156 (26.24) 315,511 (58.23) 74,022 (6.16) 21 106,409 (9.07) 685,711 (26.14) 306,518 (58.47) 74,047 (6.31) 22 100,550 (9.46) 611,312 (25.92) 275,415 (57.53) 75,309 (7.09) 23 91,262 (10.26) 492,641 (26.25) 233,594 (55.37) 72,220 (8.12) Arrival day Monday 372,094 (14.55) 1,214,418 (29.59) 756,618 (47.49) 213,997 (8.37) Tuesday 342,115 (14.76) 1,098,608 (29.05) 673,070 (47.41) 203,334 (8.78) Wednesday 339,208 (15.01) 1,062,558 (29.02) 655,829 (47.02) 201,974 (8.94) Thursday 341,922 (15.29) 1,041,140 (29.06) 649,958 (46.54) 203,832 (9.11) Friday 349,901 (15.22) 1,075,839 (28.72) 660,187 (46.81) 212,625 (9.25) Saturday 337,521 (11.48) 1,589,544 (26.72) 785,462 (54.08) 226,931 (7.72) Sunday 326,114 (8.84) 2,177,599 (26.19) 966,228 (59.02) 219,909 (5.96) Arrival month 1 194,566 (13.41) 727,086 (28.86) 418,615 (50.12) 110,287 (7.60) 2 173,628 (12.85) 697,128 (27.95) 377,610 (51.59) 102,832 (7.61) 3 186,845 (13.90) 660,176 (28.67) 385,433 (49.11) 111,956 (8.33) 4 193,199 (13.55) 705,037 (28.81) 410,672 (49.46) 116,445 (8.17) 5 206,075 (12.98) 800,890 (28.58) 453,851 (50.44) 126,915 (7.99) 6 201,327 (13.23) 759,983 (28.64) 435,736 (49.94) 124,598 (8.19) 7 212,450 (13.19) 804,866 (28.62) 460,862 (49.98) 132,189 (8.21) 8 211,854 (13.27) 797,896 (28.24) 450,272 (50.04) 134,653 (8.45) 9 202,369 (12.61) 835,471 (27.13) 435,571 (52.04) 131,985 (8.22) 10 204,729 (13.30) 792,572 (26.76) 411,786 (51.50) 129,765 (8.43) 11 199,155 (14.27) 679,511 (28.35) 395,723 (48.69) 121,310 (8.69) 12 222,948 (11.90) 999,090 (27.30) 511,221 (53.34) 139,667 (7.46)