Yellow ring with a black 3 alpha-numeric code.
note 1 : up to 2014, a total of 2305 rings were delivered since 2001-2014.
note 2 :
White ring with a black 3 alpha-numeric code, starting letter 'C'.
note 1 : up to 2014, a total of 69 rings were delivered since 2001-2002.
