#LaTeX rotate datavisualization tick label

rotateDatavisualizationTickLabel.tex

\begin{figure}[ht]
\caption{Caption}\label{fig1}
\floatfoot{Data source: Yearbook (\cite{NBS:2000})}
\centering
\begin{tikzpicture}
\datavisualization
    [scientific axes=clean,
    x axis={
        attribute=year,
        length=4cm,
        label=Year,
        ticks={
            many,
            style={
                /pgf/number format/set thousands separator={}
                },
            node style={rotate=60,anchor=east}
            }
        },
    y axis=grid,
    y axis={
        attribute=something,
        label={Something (unit)},
        ticks={
            step=0.5
            },
        },
    visualize as scatter]
data {
    year, something
    2000, 100000000
    2001, 200000000
    2002, 300000000
    2003, 400000000
};
\end{tikzpicture}
\end{figure}