How many time trial points has Willy Teirlinck?

Time trial points

The time trial specialty points are computed by a special point scale that gives points to more riders.
rider specialty explanation

Points: 499

#	Date	Class	Race	Result	Points	Distance (KM)
1	1978-04-25	SPP	Vuelta a España \| Prologue	7	80	8.6
2	1973-10-07		Etoile des Espoirs \| Stage 5b (ITT)	1	60	1
3	1978-05-26		Tour de l'Oise \| Prologue	2	50	2.7
4	1972-10-10		Etoile des Espoirs \| Prologue	3	46	1.25
5	1978-05-06	SPP	Vuelta a España \| Stage 11b (ITT)	12	42	3.8
6	1977-10-27		Etoile des Espoirs \| Stage 2b (ITT)	4	42	21.8
7	1976-03-28		Ronde van België / Tour de Belgique \| Stage 1a (ITT)	5	38	20
8	1972-10-13		Etoile des Espoirs \| Stage 3b (ITT)	5	38	20
9	1971-06-11		Tour de Luxembourg \| Prologue	6	34	8.5
10	1977-03-24		Vierdaagse van de Westkust \| Stage 4b (ITT)	7	30	8.3
11	1978-06-29	SPP	Tour de France \| Prologue	19	20	5.2
12	1978-07-21	SPP	Tour de France \| Stage 20 (ITT)	21	16	72
13	1973-05-18		Tour de l'Oise \| Prologue	12	16	2.7
14	1981-04-22		Tour d'Indre-et-Loire \| Prologue	13	14	1.47
15	1974-07-18	SPP	Tour de France \| Stage 19b (ITT)	26	6	12.4
16	1976-07-18	SPP	Tour de France \| Stage 22a (ITT)	27	4	6
17	1974-07-20	SPP	Tour de France \| Stage 21b (ITT)	27	4	37.5
18	1973-07-18	SPP	Tour de France \| Stage 16b (ITT)	30	1	12.4
					541