Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Team | Class | Laps | Pos. |
| --- | --- | --- | --- | --- |
| 1972.0 | Team Schnitzer Motul | T 3.0 | 70.0 | DNF |
| 1973.0 | Ford Motorwerke | T 3.0 | 4.0 | DNF |
| 1973.0 | Ford Motorwerke | T 3.0 | 239.0 | DNF |
| 1974.0 | Samson Kremer Racing | GT | 65.0 | DNF |
| 1976.0 | Porsche Kremer Racing | Gr.5 | 272.0 | DNF |
| 1977.0 | Gelo Racing Team | Gr.5 | 269.0 | DNF |
| 1979.0 | Gelo Racing Sportswear Intl | Gr.5 +2.5 | 201.0 | DNF |
| 1980.0 | Scuderia Lancia Corse | Gr.5 | 6.0 | DNF |
| 1981.0 | Martini Racing | Gr.5 | 186.0 | DNF |
| 1982.0 | Martini Racing | Gr.6 | 152.0 | DNF |
| 1983.0 | Martini Racing | C | 121.0 | DNF |
| 1984.0 | Martini Racing | C1 | 275.0 | DNF |
| 1986.0 | Silk Cut Jaguar | C1 | 53.0 | DNF |
Question:
What was the position of the teams before 1973?
Answer:
DNF