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:
| Ship | Launched | Location | Speed | Fate |
| --- | --- | --- | --- | --- |
| VMV-1 | 1930.0 | Germany | 25 knots | Decommissioned 1950 |
| VMV-2 | 1930.0 | Germany | 25 knots | Decommissioned 1950 |
| VMV-3 | 1930.0 | Helsinki , Finland | 23 knots | Lost (burned) 1931 |
| VMV-4 Former: Sterling | 1916.0 | Norway | 16 knots | Retired 1939 |
| VMV-5 | 1931.0 | Uusikaupunki , Finland | 23 knots | Decommissioned 1959 |
| VMV-6 | 1931.0 | Uusikaupunki , Finland | 23 knots | Decommissioned 1960 |
| VMV-7 | 1932.0 | Turku , Finland | 23 knots | Lost (burned and sunk) 1933 |
| VMV-8 | 1935.0 | Turku , Finland | 23 knots | Lost (sunk) 1944 |
| VMV-9 | 1935.0 | Turku , Finland | 23 knots | Decommissioned 1960 |
| VMV-10 | 1935.0 | Turku , Finland | 23 knots | Lost (sunk) 1944 |
| VMV-11 | 1935.0 | Turku , Finland | 23 knots | Preserved |
| VMV-12 | 1935.0 | Turku , Finland | 23 knots | Lost (sunk) 1944 |
| VMV-13 | 1935.0 | Turku , Finland | 23 knots | Decommissioned 1971 |
| VMV-14 | 1935.0 | Turku , Finland | 23 knots | Lost (sunk) 1944 |
| VMV-15 | 1935.0 | Turku , Finland | 23 knots | Decommissioned 1964 |
| VMV-16 | 1935.0 | Turku , Finland | 23 knots | Decommissioned 1965 |
| VMV-17 | 1935.0 | Turku , Finland | 23 knots | Lost (sunk) 1944 |
| VMV-18 Former: SP-1 | 1935.0 | Porvoo , Finland | 11 knots | Decommissioned 1958 |
| VMV-19 Former: SP-41 | 1943.0 | Tolkkinen , Finland | 10 knots | Decommissioned 1970 |
| VMV-20 Former: SP-42 | 1943.0 | Tolkkinen , Finland | 10 knots | Decommissioned 1970 |
Question:
What is the average launch date of the vmv-1 vessel in Germany?
Answer:
1930.0