<P> Gymnastics is one of the sports at the quadrennial Commonwealth Games competition . It has been a Commonwealth Games sport since 1978 . It is an optional sport and may, or may not, be included in the sporting programme of each edition of the Games . </P> <Table> <Tr> <Th> Games </Th> <Th> Year </Th> <Th> Host city </Th> <Th> Host country </Th> <Th> Winner of the medal table </Th> <Th> Second in the medal table </Th> <Th> Third in the medal table </Th> </Tr> <Tr> <Td> XI </Td> <Td> 1978 </Td> <Td> Edmonton </Td> <Td> Canada </Td> <Td> Canada </Td> <Td> England </Td> <Td> Australia </Td> </Tr> <Tr> <Td> XIV </Td> <Td> 1990 </Td> <Td> Auckland </Td> <Td> New Zealand </Td> <Td> Canada </Td> <Td> Australia </Td> <Td> England </Td> </Tr> <Tr> <Td> XV </Td> <Td> 1994 </Td> <Td> Victoria </Td> <Td> Canada </Td> <Td> Australia </Td> <Td> Canada </Td> <Td> England </Td> </Tr> <Tr> <Td> XVI </Td> <Td> 1998 </Td> <Td> Kuala Lumpur </Td> <Td> Malaysia </Td> <Td> Australia </Td> <Td> Canada </Td> <Td> England </Td> </Tr> <Tr> <Td> XVII </Td> <Td> 2002 </Td> <Td> Manchester </Td> <Td> England </Td> <Td> Australia </Td> <Td> Canada </Td> <Td> England </Td> </Tr> <Tr> <Td> XVIII </Td> <Td> 2006 </Td> <Td> Melbourne </Td> <Td> Australia </Td> <Td> Canada </Td> <Td> Australia </Td> <Td> England </Td> </Tr> <Tr> <Td> XIX </Td> <Td> </Td> <Td> Delhi </Td> <Td> India </Td> <Td> Australia </Td> <Td> England </Td> <Td> Cyprus </Td> </Tr> <Tr> <Td> XX </Td> <Td> 2014 </Td> <Td> Glasgow </Td> <Td> Scotland </Td> <Td> England </Td> <Td> Canada </Td> <Td> Scotland </Td> </Tr> <Tr> <Td> XXI </Td> <Td> 2018 </Td> <Td> Gold Coast </Td> <Td> Australia </Td> <Td> England </Td> <Td> Cyprus </Td> <Td> Canada </Td> </Tr> </Table>

When was gymnastics introduced to the commonwealth games