Diese Ergebnisse sind weitgehend mit denen für die Gesamt­wirtschaft vergleichbar. ###>Moreover this share has increased substantially between 1981-1985 and 1988-1990 in Ger­many (from 12.3% to 25.1%) in Italy (from 34.2% to 84.8%) in Netherlands (from 10.7% to 23.4%).