%figure 3 a
%#call-times	ratio-of-calls(<60s)	ratio-of-calls(>60s)
0	0	1
100	0.04	0.96
200	0.142857143	0.857142857
300	0.281690141	0.718309859
400	0.325	0.675
500	0.375	0.625
600	0.533333333	0.466666667
1000	0.75	0.25

%figure 3 b
%average-call-duration	#call-times
109.4231395	1
103.561752	10
102.0531319	20
100.7151823	30
99.04504562	40
98.178022	50
97.57672997	60
97.2866858	70
97.01954434	80
96.73186747	90
96.3089967	100
95.79836235	110
95.25892939	120
94.79604797	130
94.34080904	140
93.986371	150
93.73844408	160
93.52674444	170
93.35348814	180
93.23263896	190
93.11883108	200
93.006477	210
92.90565456	220
92.82972268	230
92.81300953	240
92.84843123	250
92.92281067	260
92.98828636	270
93.0616327	280
93.08840096	290
93.00189758	300
92.86937929	310
92.7274096	320
92.54503348	330
92.37412938	340
92.23604896	350
92.15001841	360
92.14437489	370
92.14305963	380
92.1904145	390
92.33278955	400
92.53556505	410
92.7470377	420
92.95342034	430
93.09355836	440
93.17960237	450
93.03940672	460
92.68891898	470
92.12090234	480
91.44125133	490
90.62830983	500
89.85492031	510
89.09366829	520
88.57084531	530
88.19991188	540
88.11656614	550
88.22150313	560
88.60683568	570
89.08670468	580
89.71946912	590
90.29984825	600
90.89933321	610
91.3988505	620
91.85614098	630
92.1459907	640
92.31937993	650
92.29798516	660
92.15126315	670
91.77117922	680
91.15813226	690
90.31420359	700
89.39467401	710
88.4798336	720
87.73027999	730
87.18647886	740
86.96283899	750
87.05856479	760
87.41547194	770
87.87595247	780
88.47239001	790
89.03604431	800
89.50422452	810
89.83855315	820
90.01695941	830
90.04713498	840
90.01195716	850
89.75966232	860
89.34364049	870
88.84151069	880
88.27193802	890
87.77984476	900
87.40311304	910
87.42069834	920
87.66863697	930
88.18384518	1000