\documentclass[border = 3mmm]{standalone}
\usepackage{pgfplots}
\pgfplotsset{width=10cm,height=3.4cm,compat=newest}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
xmin=61.5,
xmax=76.5,
% hide y axis,
axis y line=none,
axis x line=bottom,
axis x line shift={4pt},
every outer x axis line/.append style={stealth-stealth},
title={},
xlabel={weights in kg}]
\addplot [only marks, black, mark=*, mark size=2pt] coordinates{(62, 1)(63, 1)(63, 2)(64, 1)(64, 2)(64, 3)(65, 1)(65, 2)(66, 1)(66, 2)(66, 3)(66, 4)(66, 5)(67, 1)(67, 2)(67, 3)(68, 1)(68, 2)(68, 3)(68, 4)(69, 1)(69, 2)(69, 3)(69, 4)(69, 5)(70, 1)(70, 2)(71, 1)(71, 2)(71, 3)(71, 4)(72, 1)(72, 2)(72, 3)(72, 4)(72, 5)(72, 6)(72, 7)(72, 8)(73, 1)(73, 2)(74, 1)(74, 2)(74, 3)(74, 4)(74, 5)(75, 1)(75, 2)(75, 3)(76, 1)};
\end{axis}
\end{tikzpicture}
\end{document}