Source: Ref. 3
When asked about the statistics, representatives from the committees that award the Nobel prizes in science told Nature that any trend can have several different explanations. The committee members “work continuously to improve the nomination process, with the aim of broadening nominations with respect to gender, nationality and topics within fields in physics, chemistry, and physiology or medicine”.
As one last option, consider changing your name. The given names of 69 out of 642 science prize winners begin with J, and 62 with A. Good luck, Jennifer and Antonio!
Data for all graphics from nobelprize.org unless stated otherwise.