Importance of breastfeeding and the reasons for its fall rates in Europe

Breast is best, so why are the BF rates falling across Europe

State why BF is best based on research and evidence based articles, publications, organisations research etc; quoted correctly.
Then give an update on the rates and factors influencing these rates, again based on facts and correctly quoted data, is formual being marketed better or is seen as more glamourous or risks associated with BF in public?? reasons for declines and evidenced based answers. citations as per simple Harvard style