\begin{tikzpicture}
\begin{axis}[
    width=9cm,height=6cm,
    ymin=0,
    ytick align=outside,
    axis x line*=bottom,axis y line*=left,
    tick label style={
        /pgf/number format/assume math mode=true,
        /pgf/number format/1000 sep={}
    },
    ylabel={\# citations},
    % enlargelimits=0.15,
    ybar,
    bar width=12pt,
]
\addplot[
    fill=lightgray,
    nodes near coords,
    every node near coord/.append style={
        /pgf/number format/assume math mode=true,
        font=\small
    }
]
    coordinates{
        (2010,2)
        (2011,7)
        (2012,22)
        (2013,51)
        (2014,73)
        (2015,92)
        (2016,123)
        (2017,141)
    };

\end{axis}
\end{tikzpicture}
